Add content type information to encoded images and corresponding rtp extension header

webrtc/sdk/android/src/jni/androidmediaencoder_jni.cc

Index: webrtc/sdk/android/src/jni/androidmediaencoder_jni.cc
diff --git a/webrtc/sdk/android/src/jni/androidmediaencoder_jni.cc b/webrtc/sdk/android/src/jni/androidmediaencoder_jni.cc
index 093966ee4368b42a6e77e2dd795b626479acdae6..523d352427ff9d52934414f6cadb7a7a447f8ef0 100644
--- a/webrtc/sdk/android/src/jni/androidmediaencoder_jni.cc
+++ b/webrtc/sdk/android/src/jni/androidmediaencoder_jni.cc
@@ -245,11 +245,13 @@ class MediaCodecVideoEncoder : public webrtc::VideoEncoder {
     InputFrameInfo(int64_t encode_start_time,
                    int32_t frame_timestamp,
                    int64_t frame_render_time_ms,
-                   webrtc::VideoRotation rotation)
+                   webrtc::VideoRotation rotation,
+                   webrtc::VideoContentType content_type)
         : encode_start_time(encode_start_time),
           frame_timestamp(frame_timestamp),
           frame_render_time_ms(frame_render_time_ms),
-          rotation(rotation) {}
+          rotation(rotation),
+          content_type(content_type) {}
     // Time when video frame is sent to encoder input.
     const int64_t encode_start_time;
 
@@ -257,6 +259,7 @@ class MediaCodecVideoEncoder : public webrtc::VideoEncoder {
     const int32_t frame_timestamp;
     const int64_t frame_render_time_ms;
     const webrtc::VideoRotation rotation;
+    const webrtc::VideoContentType content_type;
   };
   std::list<InputFrameInfo> input_frame_infos_;
   int32_t output_timestamp_;      // Last output frame timestamp from
@@ -265,6 +268,7 @@ class MediaCodecVideoEncoder : public webrtc::VideoEncoder {
                                   // |input_frame_infos_|.
   webrtc::VideoRotation output_rotation_;  // Last output frame rotation from
                                            // |input_frame_infos_|.
+  webrtc::VideoContentType output_content_type_;
   // Frame size in bytes fed to MediaCodec.
   int yuv_size_;
   // True only when between a callback_->OnEncodedImage() call return a positive
@@ -715,7 +719,8 @@ int32_t MediaCodecVideoEncoder::Encode(
       frame.video_frame_buffer());
 
   VideoFrame input_frame(input_buffer, frame.timestamp(),
-                         frame.render_time_ms(), frame.rotation());
+                         frame.render_time_ms(), frame.rotation(),
+                         frame.content_type());
 
   if (!MaybeReconfigureEncoder(input_frame)) {
     ALOGE << "Failed to reconfigure encoder.";
@@ -762,7 +767,8 @@ int32_t MediaCodecVideoEncoder::Encode(
   // Save input image timestamps for later output.
   input_frame_infos_.emplace_back(frame_input_time_ms, input_frame.timestamp(),
                                   input_frame.render_time_ms(),
-                                  input_frame.rotation());
+                                  input_frame.rotation(),
+                                  input_frame.content_type());
 
   last_input_timestamp_ms_ =
       current_timestamp_us_ / rtc::kNumMicrosecsPerMillisec;
@@ -1013,6 +1019,7 @@ bool MediaCodecVideoEncoder::DeliverPendingOutputs(JNIEnv* jni) {
       output_timestamp_ = frame_info.frame_timestamp;
       output_render_time_ms_ = frame_info.frame_render_time_ms;
       output_rotation_ = frame_info.rotation;
+      output_content_type_ = frame_info.content_type;
       encoding_start_time_ms = frame_info.encode_start_time;
       input_frame_infos_.pop_front();
     }
@@ -1039,6 +1046,7 @@ bool MediaCodecVideoEncoder::DeliverPendingOutputs(JNIEnv* jni) {
       image->_timeStamp = output_timestamp_;
       image->capture_time_ms_ = output_render_time_ms_;
       image->rotation_ = output_rotation_;
+      image->content_type_ = output_content_type_;
       image->_frameType =
           (key_frame ? webrtc::kVideoFrameKey : webrtc::kVideoFrameDelta);
       image->_completeFrame = true;